Subaru impreza 2017, Owner'S Manual

Page: 425 / 786

Set value for
parameter
“Mode”
Formula used for complex, three-
phase power calculation
Formula used for voltage and
current magnitude calculation
Comment
1 L1, L2, L3
* * *
1 1 2 2 3 3
= × + × + ×
L L L L L L
S
U I U I U I
EQUATION1385 V1 EN-US
(Equation 38)
1 2 3
1 2 3
( ) / 3
( ) / 3
= + +
= + +
L L L
L L L
U U U U
I I I I
EQUATION1386 V1 EN-US
(Equation 39)
Used when
three phase-
to-earth
voltages are
available
2 Arone
* *
1 2 1 2 3 3
= × - ×
L L L L L L
S U I U I
EQUATION1387 V1 EN-US
(Equation 40)
1 2 2 3
1 3
( ) / 2
( ) / 2
= +
= +
L L L L
L L
U U U
I I I
EQUATION1388 V1 EN-US
(Equation 41)
Used when
two phase-
to-phase
voltages are
available
3 PosSeq
*
3
= × ×
PosSeq PosSeq
S U I
EQUATION1389 V1 EN-US
(Equation 42)
3
= ×
=
PosSeq
PosSeq
U U
I I
EQUATION1390 V1 EN-US
(Equation 43)
Used when
only
symmetrical
three phase
power shall
be measured
4 L1L2
* *
1 2 1 2
( )
= × -
L L L L
S U I I
EQUATION1391 V1 EN-US
(Equation 44)
1 2
1 2
( ) / 2
=
= +
L L
L L
U U
I I I
EQUATION1392 V1 EN-US
(Equation 45)
Used when
only U
L1L2
phase-to-
phase
voltage is
available
5 L2L3
* *
2 3 2 3
( )
= × -
L L L L
S U I I
EQUATION1393 V1 EN-US
(Equation 46)
2 3
2 3
( ) / 2
=
= +
L L
L L
U U
I I I
EQUATION1394 V1 EN-US
(Equation 47)
Used when
only U
L2L3
phase-to-
phase
voltage is
available
6 L3L1
* *
3 1 3 1
( )
= × -
L L L L
S U I I
EQUATION1395 V1 EN-US
(Equation 48)
3 1
3 1
( ) / 2
=
= +
L L
L L
U U
I I I
EQUATION1396 V1 EN-US
(Equation 49)
Used when
only U
L3L1
phase-to-
phase
voltage is
available
7 L1
*
1 1
3
= × ×
L L
S U I
EQUATION1397 V1 EN-US
(Equation 50)
1
1
3
= ×
=
L
L
U U
I I
EQUATION1398 V1 EN-US
(Equation 51)
Used when
only U
L1
phase-to-
earth voltage
is available
Table continues on next page
1MRK 505 384-UEN A
Section 11
Monitoring
Breaker protection REQ650 2.2 IEC 419
Technical manual